package com.sjz.ctkj.canvasstudy.utils;

import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.widget.TextView;

import com.sjz.ctkj.canvasstudy.FileUtils;
import com.sjz.ctkj.canvasstudy.Utils;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import java.util.zip.ZipInputStream;
import java.util.zip.ZipOutputStream;

public class ZipUtils {

        public static final String TAG = "ZIP";

        public ZipUtils() {

        }
         public static long getZipFileSize(String zipFilePath){
            long size=0;
            File zipfiles = new File(zipFilePath);

             try {
                 ZipFile zipfile = new ZipFile(zipfiles);
                 Enumeration<? extends ZipEntry> entries = zipfile.entries();
                 while (entries.hasMoreElements()){
                     size+=entries.nextElement().getSize();
                 }
             } catch (IOException e) {
                 size=0;
                 e.printStackTrace();

             }

             return size;
         }
        /**
         * 解压zip到指定的路径
         *
         * @param zipFileString ZIP的名称
         * @param outPathString 要解压缩路径
         * @throws Exception
         */
        public static void UnZipFolder(String zipFileString, String outPathString, Handler handler) throws Exception {
            long zipFileSize = getZipFileSize(zipFileString);
            ZipInputStream inZip = new ZipInputStream(new FileInputStream(zipFileString));
            ZipEntry zipEntry;
            String szName = "";
            while ((zipEntry = inZip.getNextEntry()) != null) {
                szName = zipEntry.getName();
                if (zipEntry.isDirectory()) {
                    //获取部件的文件夹名
                    szName = szName.substring(0, szName.length() - 1);
                    File folder = new File(outPathString + File.separator + szName);
                    folder.mkdirs();
                } else {
                    Log.e(TAG, outPathString + File.separator + szName);
                    File file = new File(outPathString + File.separator + szName);
                    if (!file.exists()) {
                        Log.e(TAG, "Create the file:" + outPathString + File.separator + szName);
                        file.getParentFile().mkdirs();
                        file.createNewFile();
                    }
                    // 获取文件的输出流
                    FileOutputStream out = new FileOutputStream(file);
                    int len;
                    byte[] buffer = new byte[1024];
                    // 读取（字节）字节到缓冲区
                     long count=0;
                    while ((len = inZip.read(buffer)) != -1) {
                        // 从缓冲区（0）位置写入（字节）字节
                        count+=len;
                        final int progress =(int)((count*100)/zipFileSize);
                        Message message = new Message();
                        message.what=300;
                        message.obj=String.valueOf(progress);
                        handler.sendMessage(message);
                        out.write(buffer, 0, len);
                        out.flush();
                    }
                    out.close();
                }
            }
            inZip.close();
            handler.sendEmptyMessage(100);
        }

        public static void UnZipFolder(String zipFileString, String outPathString, String szName) throws Exception {
            ZipInputStream inZip = new ZipInputStream(new FileInputStream(zipFileString));
            ZipEntry zipEntry;
            while ((zipEntry = inZip.getNextEntry()) != null) {
                //szName = zipEntry.getName();
                if (zipEntry.isDirectory()) {
                    //获取部件的文件夹名
                    szName = szName.substring(0, szName.length() - 1);
                    File folder = new File(outPathString + File.separator + szName);
                    folder.mkdirs();
                } else {
                    Log.e(TAG, outPathString + File.separator + szName);
                    File file = new File(outPathString + File.separator + szName);
                    if (!file.exists()) {
                        Log.e(TAG, "Create the file:" + outPathString + File.separator + szName);
                        file.getParentFile().mkdirs();
                        file.createNewFile();
                    }
                    // 获取文件的输出流
                    FileOutputStream out = new FileOutputStream(file);
                    int len;
                    byte[] buffer = new byte[1024];
                    // 读取（字节）字节到缓冲区
                    while ((len = inZip.read(buffer)) != -1) {
                        // 从缓冲区（0）位置写入（字节）字节
                        out.write(buffer, 0, len);
                        out.flush();
                    }
                    out.close();
                }
            }
            inZip.close();
        }

        /**
         * 压缩文件和文件夹
         *
         * @param srcFileString 要压缩的文件或文件夹
         * @param zipFileString 解压完成的Zip路径
         * @throws Exception
         */
        public static void ZipFolder(String srcFileString, String zipFileString) throws Exception {
            //创建ZIP
            ZipOutputStream outZip = new ZipOutputStream(new FileOutputStream(zipFileString));
            //创建文件
            File file = new File(srcFileString);
            //压缩
//            LogUtils.LOGE("---->"+file.getParent()+"==="+file.getAbsolutePath());
            ZipFiles(file.getParent()+ File.separator, file.getName(), outZip);
            //完成和关闭
            outZip.finish();
            outZip.close();
        }

        /**
         * 压缩文件
         *
         * @param folderString
         * @param fileString
         * @param zipOutputSteam
         * @throws Exception
         */
        private static void ZipFiles(String folderString, String fileString, ZipOutputStream zipOutputSteam) throws Exception {
//            Log.i("folderString:" + folderString + "\n" +
//                    "fileString:" + fileString + "\n==========================");
            if (zipOutputSteam == null)
                return;
            File file = new File(folderString + fileString);
            if (file.isFile()) {
                ZipEntry zipEntry = new ZipEntry(fileString);
                FileInputStream inputStream = new FileInputStream(file);
                zipOutputSteam.putNextEntry(zipEntry);
                int len;
                byte[] buffer = new byte[4096];
                while ((len = inputStream.read(buffer)) != -1) {
                    zipOutputSteam.write(buffer, 0, len);
                }
                zipOutputSteam.closeEntry();
            } else {
                //文件夹
                String fileList[] = file.list();
                //没有子文件和压缩
                if (fileList.length <= 0) {
                    ZipEntry zipEntry = new ZipEntry(fileString + File.separator);
                    zipOutputSteam.putNextEntry(zipEntry);
                    zipOutputSteam.closeEntry();
                }
                //子文件和递归
                for (int i = 0; i < fileList.length; i++) {
                    ZipFiles(folderString+fileString+"/",  fileList[i], zipOutputSteam);
                }
            }
        }

        /**
         * 返回zip的文件输入流
         *
         * @param zipFileString zip的名称
         * @param fileString    ZIP的文件名
         * @return InputStream
         * @throws Exception
         */
        public static InputStream UpZip(String zipFileString, String fileString) throws Exception {
            ZipFile zipFile = new ZipFile(zipFileString);
            ZipEntry zipEntry = zipFile.getEntry(fileString);
            return zipFile.getInputStream(zipEntry);
        }

        /**
         * 返回ZIP中的文件列表（文件和文件夹）
         *
         * @param zipFileString  ZIP的名称
         * @param bContainFolder 是否包含文件夹
         * @param bContainFile   是否包含文件
         * @return
         * @throws Exception
         */
        public static List<File> GetFileList(String zipFileString, boolean bContainFolder, boolean bContainFile) throws Exception {
            List<File> fileList = new ArrayList<File>();
            ZipInputStream inZip = new ZipInputStream(new FileInputStream(zipFileString));
            ZipEntry zipEntry;
            String szName = "";
            while ((zipEntry = inZip.getNextEntry()) != null) {
                szName = zipEntry.getName();
                if (zipEntry.isDirectory()) {
                    // 获取部件的文件夹名
                    szName = szName.substring(0, szName.length() - 1);
                    File folder = new File(szName);
                    if (bContainFolder) {
                        fileList.add(folder);
                    }
                } else {
                    File file = new File(szName);
                    if (bContainFile) {
                        fileList.add(file);
                    }
                }
            }
            inZip.close();
            return fileList;
        }
}
